├── Preview1.png ├── LTTextViewApp ├── LTTextViewApp.xcodeproj │ ├── project.xcworkspace │ │ └── contents.xcworkspacedata │ └── project.pbxproj ├── LTTextViewApp │ ├── ViewController.h │ ├── AppDelegate.h │ ├── main.m │ ├── AppDelegate.m │ ├── Images.xcassets │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── Info.plist │ ├── Base.lproj │ │ ├── LaunchScreen.xib │ │ └── Main.storyboard │ └── ViewController.m └── LTTextViewAppTests │ ├── Info.plist │ └── LTTextViewAppTests.m ├── .gitignore ├── README.md ├── LTTextView ├── LTLinkTextView.h └── LTLinkTextView.m └── LICENSE /Preview1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/EugeneZZI/LTTextView/HEAD/Preview1.png -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // LTTextViewApp 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | @end 14 | 15 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // LTTextViewApp 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | 16 | @end 17 | 18 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // LTTextViewApp 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "AppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | @autoreleasepool { 14 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // LTTextViewApp 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @interface AppDelegate () 12 | 13 | @end 14 | 15 | @implementation AppDelegate 16 | 17 | 18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 | return YES; 20 | } 21 | 22 | @end 23 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | build/ 4 | *.pbxuser 5 | !default.pbxuser 6 | *.mode1v3 7 | !default.mode1v3 8 | *.mode2v3 9 | !default.mode2v3 10 | *.perspectivev3 11 | !default.perspectivev3 12 | xcuserdata 13 | *.xccheckout 14 | *.moved-aside 15 | DerivedData 16 | *.hmap 17 | *.ipa 18 | *.xcuserstate 19 | 20 | # CocoaPods 21 | # 22 | # We recommend against adding the Pods directory to your .gitignore. However 23 | # you should judge for yourself, the pros and cons are mentioned at: 24 | # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control 25 | # 26 | #Pods/ 27 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/Images.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "29x29", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "40x40", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "40x40", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "60x60", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "60x60", 31 | "scale" : "3x" 32 | } 33 | ], 34 | "info" : { 35 | "version" : 1, 36 | "author" : "xcode" 37 | } 38 | } -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewAppTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # LTTextView 2 | 3 | You need to create text with several buttons in it? You can use UIWebView, UIlabels with UIButtons, another ways. But when you have localizations for 10 or more languages and UI designer wants to have each button with few words on one line - task becomes "pain in ass". You can write your own code to manage this task or simply use LTTextView. 4 | 5 | ![LTTextView](https://github.com/EugeneZZI/LTTextView/blob/master/Preview1.png) 6 | 7 | ## Usage 8 | 9 | Add LTTextView to your project and use this view to display text with interactive buttons. You can customize whole text or/and each button text appearance using NSAttributedString attributes. You should implement LTLinkTextViewDelegate method to get callback from the text view. 10 | 11 | ## License 12 | 13 | This code is distributed under the terms and conditions of the [MIT license](LICENSE). -------------------------------------------------------------------------------- /LTTextView/LTLinkTextView.h: -------------------------------------------------------------------------------- 1 | // 2 | // LTLinkTextView.h 3 | // 4 | // 5 | // Created by Eugene Zozulya on 3/29/15. 6 | // Copyright (c) 2015 Eugene Zozulya. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | UIKIT_EXTERN NSString *const LTTextStringParameterKey; // key for title NSString 12 | 13 | @class LTLinkTextView; 14 | 15 | @protocol LTLinkTextViewDelegate 16 | 17 | @optional 18 | - (void)linkTextView:(LTLinkTextView*)termsTextView didSelectButtonWithIndex:(NSUInteger)buttonIndex title:(NSString*)title; 19 | 20 | @end 21 | 22 | @interface LTLinkTextView : UIView 23 | 24 | @property (nonatomic, weak) id delegate; 25 | 26 | - (void)setStringAttributes:(NSDictionary*)textInfo withButtonsStringsAttributes:(NSArray*)buttonsStringsInfo; // buttonsStringsInfo array of dictionaries 27 | 28 | @end 29 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewAppTests/LTTextViewAppTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // LTTextViewAppTests.m 3 | // LTTextViewAppTests 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import 10 | #import 11 | 12 | @interface LTTextViewAppTests : XCTestCase 13 | 14 | @end 15 | 16 | @implementation LTTextViewAppTests 17 | 18 | - (void)setUp { 19 | [super setUp]; 20 | // Put setup code here. This method is called before the invocation of each test method in the class. 21 | } 22 | 23 | - (void)tearDown { 24 | // Put teardown code here. This method is called after the invocation of each test method in the class. 25 | [super tearDown]; 26 | } 27 | 28 | - (void)testExample { 29 | // This is an example of a functional test case. 30 | XCTAssert(YES, @"Pass"); 31 | } 32 | 33 | - (void)testPerformanceExample { 34 | // This is an example of a performance test case. 35 | [self measureBlock:^{ 36 | // Put the code you want to measure the time of here. 37 | }]; 38 | } 39 | 40 | @end 41 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2015 Eugene 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | 23 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UIRequiredDeviceCapabilities 30 | 31 | armv7 32 | 33 | UISupportedInterfaceOrientations 34 | 35 | UIInterfaceOrientationPortrait 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/Base.lproj/LaunchScreen.xib: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // LTTextViewApp 4 | // 5 | // Created by ZZI on 29/05/15. 6 | // Copyright (c) 2015 ZZICo. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "LTLinkTextView.h" 11 | 12 | @interface ViewController () 13 | 14 | @property (weak, nonatomic) IBOutlet LTLinkTextView *firstLTView; 15 | @property (weak, nonatomic) IBOutlet LTLinkTextView *secondLTView; 16 | @property (weak, nonatomic) IBOutlet LTLinkTextView *thirdLTView; 17 | @property (weak, nonatomic) IBOutlet LTLinkTextView *fourthLTView; 18 | @property (weak, nonatomic) IBOutlet LTLinkTextView *fifthLTView; 19 | @property (weak, nonatomic) IBOutlet LTLinkTextView *sixthLTView; 20 | 21 | @property (weak, nonatomic) IBOutlet UILabel *messageLabel; 22 | 23 | @end 24 | 25 | @implementation ViewController 26 | 27 | - (void)viewDidLoad { 28 | [super viewDidLoad]; 29 | 30 | #pragma clang diagnostic push 31 | #pragma clang diagnostic ignored "-Warc-performSelector-leaks" 32 | dispatch_apply(6, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(size_t i) { 33 | NSString *selectorStr = [NSString stringWithFormat:@"setupLTView%d", (int)++i]; 34 | dispatch_async(dispatch_get_main_queue(), ^{ 35 | [self performSelector:NSSelectorFromString(selectorStr)]; 36 | }); 37 | }); 38 | #pragma clang diagnostic pop 39 | 40 | [self setupLTView4]; 41 | } 42 | 43 | - (void)setupLTView1 { 44 | NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; 45 | [paragraphStyle setLineSpacing:6.0]; 46 | [paragraphStyle setAlignment:NSTextAlignmentLeft]; 47 | 48 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa.", @""), 49 | NSFontAttributeName : [UIFont systemFontOfSize:12.0]}; 50 | 51 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"ligula eget dolor", @""), 52 | NSForegroundColorAttributeName : [UIColor blueColor]} 53 | ]; 54 | 55 | [self.firstLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 56 | self.firstLTView.delegate = self; 57 | self.firstLTView.tag = 1; 58 | } 59 | 60 | - (void)setupLTView2 { 61 | NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; 62 | paragraphStyle.alignment = NSTextAlignmentCenter; 63 | 64 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.", @""), 65 | NSParagraphStyleAttributeName : paragraphStyle, 66 | NSFontAttributeName : [UIFont fontWithName:@"HoeflerText-Regular" size:12]}; 67 | 68 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"Cum sociis", @""), 69 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)}, 70 | @{LTTextStringParameterKey : NSLocalizedString(@"nascetur ridiculus", @""), 71 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)} 72 | ]; 73 | 74 | [self.secondLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 75 | self.secondLTView.delegate = self; 76 | self.secondLTView.tag = 2; 77 | } 78 | 79 | - (void)setupLTView3 { 80 | NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; 81 | paragraphStyle.alignment = NSTextAlignmentRight; 82 | 83 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu.", @""), 84 | NSParagraphStyleAttributeName : paragraphStyle, 85 | NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Light" size:12]}; 86 | 87 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"Nulla consequat", @""), 88 | NSForegroundColorAttributeName : [UIColor redColor], 89 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle | NSUnderlinePatternDot)}, 90 | @{LTTextStringParameterKey : NSLocalizedString(@"Donec pede", @""), 91 | NSForegroundColorAttributeName : [UIColor redColor], 92 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle | NSUnderlinePatternDash)}, 93 | @{LTTextStringParameterKey : NSLocalizedString(@"vulputate eget", @""), 94 | NSForegroundColorAttributeName : [UIColor redColor], 95 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle | NSUnderlinePatternDashDot)} 96 | ]; 97 | 98 | [self.thirdLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 99 | self.thirdLTView.delegate = self; 100 | self.thirdLTView.tag = 3; 101 | } 102 | 103 | - (void)setupLTView4 { 104 | NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; 105 | paragraphStyle.alignment = NSTextAlignmentCenter; 106 | 107 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.", @""), 108 | NSParagraphStyleAttributeName : paragraphStyle}; 109 | 110 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"rhoncus ut", @""), 111 | NSForegroundColorAttributeName : [UIColor blueColor], 112 | NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Light" size:10]}, 113 | @{LTTextStringParameterKey : NSLocalizedString(@"Nullam dictum", @""), 114 | NSForegroundColorAttributeName : [UIColor grayColor], 115 | NSFontAttributeName : [UIFont fontWithName:@"HoeflerText-Regular" size:15]} 116 | ]; 117 | 118 | [self.fourthLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 119 | self.fourthLTView.delegate = self; 120 | self.fourthLTView.tag = 4; 121 | } 122 | 123 | - (void)setupLTView5 { 124 | NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; 125 | paragraphStyle.alignment = NSTextAlignmentCenter; 126 | 127 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus.", @""), 128 | NSParagraphStyleAttributeName : paragraphStyle}; 129 | 130 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"Cras dapibus.", @""), 131 | NSUnderlineColorAttributeName : [UIColor blueColor], 132 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)}, 133 | @{LTTextStringParameterKey : NSLocalizedString(@"Aenean vulputate", @""), 134 | NSUnderlineColorAttributeName : [UIColor redColor], 135 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)} 136 | ]; 137 | 138 | [self.fifthLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 139 | self.fifthLTView.delegate = self; 140 | self.fifthLTView.tag = 5; 141 | } 142 | 143 | - (void)setupLTView6 { 144 | NSDictionary *textAttributes = @{LTTextStringParameterKey : NSLocalizedString(@"By signing you are agreeing to the Terms and Conditions and Privacy Policy", @""), 145 | NSFontAttributeName : [UIFont systemFontOfSize:12], 146 | NSForegroundColorAttributeName : [UIColor grayColor]}; 147 | 148 | NSArray *buttonsAttributes = @[@{LTTextStringParameterKey : NSLocalizedString(@"Terms and Conditions", @""), 149 | NSFontAttributeName : [UIFont boldSystemFontOfSize:12], 150 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)}, 151 | @{LTTextStringParameterKey : NSLocalizedString(@"Privacy Policy", @""), 152 | NSFontAttributeName : [UIFont boldSystemFontOfSize:12], 153 | NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle)} 154 | ]; 155 | 156 | [self.sixthLTView setStringAttributes:textAttributes withButtonsStringsAttributes:buttonsAttributes]; 157 | self.sixthLTView.delegate = self; 158 | self.sixthLTView.tag = 6; 159 | } 160 | 161 | 162 | #pragma mark - LTLinkTextViewDelegate 163 | 164 | - (void)linkTextView:(LTLinkTextView*)termsTextView didSelectButtonWithIndex:(NSUInteger)buttonIndex title:(NSString*)title { 165 | NSString *messageStr = [NSString stringWithFormat:@"TextView: %d pushed button index: %d button text: \"%@\"", (int)termsTextView.tag, (int)buttonIndex, title]; 166 | self.messageLabel.text = messageStr; 167 | } 168 | 169 | @end 170 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | -------------------------------------------------------------------------------- /LTTextView/LTLinkTextView.m: -------------------------------------------------------------------------------- 1 | // 2 | // LTLinkTextView.m 3 | // 4 | // 5 | // Created by Eugene Zozulya on 3/29/15. 6 | // Copyright (c) 2015 Eugene Zozulya. All rights reserved. 7 | // 8 | 9 | #import "LTLinkTextView.h" 10 | #import 11 | 12 | NSString *const LTTextStringParameterKey = @"_LTTextStringParameterKey"; 13 | 14 | @interface LTButtonString : NSObject 15 | 16 | @property (nonatomic, copy) NSString *text; 17 | @property (nonatomic, readonly, strong) NSMutableArray *frames; 18 | @property (nonatomic, assign) NSRange range; 19 | 20 | @end 21 | 22 | @interface LTLinkTextView() { 23 | CGSize _oldSize; 24 | NSString *_currentString; 25 | NSDictionary *_currentStringAttributes; 26 | NSArray *_currentButtonsStringAttributes; // array of dictionaries 27 | NSMutableAttributedString *_fullString; 28 | NSMutableArray *_buttonsStrings; // array of ButtonStrings 29 | } 30 | 31 | @end 32 | 33 | @implementation LTLinkTextView 34 | 35 | - (instancetype)init { 36 | self = [super init]; 37 | if(self) { 38 | [self commonInit]; 39 | } 40 | 41 | return self; 42 | } 43 | 44 | - (instancetype)initWithCoder:(NSCoder *)aDecoder { 45 | self = [super initWithCoder:aDecoder]; 46 | if(self) { 47 | [self commonInit]; 48 | } 49 | 50 | return self; 51 | } 52 | 53 | - (instancetype)initWithFrame:(CGRect)frame { 54 | self = [super initWithFrame:frame]; 55 | if(self) { 56 | [self commonInit]; 57 | } 58 | 59 | return self; 60 | } 61 | 62 | - (void)setFrame:(CGRect)frame { 63 | [super setFrame:frame]; 64 | [self setNeedsDisplay]; 65 | } 66 | 67 | - (void)setStringAttributes:(NSDictionary*)textInfo withButtonsStringsAttributes:(NSArray*)buttonsStringsInfo; { 68 | NSString *text = textInfo[LTTextStringParameterKey]; 69 | if(![text isEqual:_currentString]) { 70 | _currentString = text; 71 | _currentStringAttributes = textInfo; 72 | _currentButtonsStringAttributes = buttonsStringsInfo; 73 | 74 | [self checkButtonsAttributes]; 75 | // redraw vew with new string 76 | _oldSize = CGSizeZero; 77 | [self setNeedsDisplay]; 78 | } 79 | } 80 | 81 | #pragma mark - Private Methods 82 | 83 | - (void)commonInit { 84 | UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTap:)]; 85 | tapGesture.numberOfTapsRequired = 1; 86 | [self addGestureRecognizer:tapGesture]; 87 | } 88 | 89 | - (void)handleTap:(UITapGestureRecognizer*)sender { 90 | if(sender.state == UIGestureRecognizerStateEnded) { 91 | CGPoint tapLocation = [sender locationInView:self]; 92 | 93 | [_buttonsStrings enumerateObjectsWithOptions:NSEnumerationConcurrent usingBlock:^(LTButtonString *buttonString, NSUInteger idx, BOOL *stop) { 94 | CGRect buttonFrame = [buttonString.frames.firstObject CGRectValue]; 95 | if(CGRectContainsPoint(buttonFrame, tapLocation)) { 96 | dispatch_async(dispatch_get_main_queue(), ^{ 97 | if([self.delegate respondsToSelector:@selector(linkTextView:didSelectButtonWithIndex:title:)]) { 98 | [self.delegate linkTextView:self didSelectButtonWithIndex:idx title:buttonString.text]; 99 | } 100 | }); 101 | *stop = YES; 102 | } 103 | }]; 104 | } 105 | } 106 | 107 | - (void)checkButtonsAttributes { 108 | NSMutableParagraphStyle *pStyle = _currentStringAttributes[NSParagraphStyleAttributeName]; 109 | NSMutableArray *buttonsAttr = [_currentButtonsStringAttributes mutableCopy]; 110 | 111 | for(int i = 0; i < _currentButtonsStringAttributes.count; i++) { 112 | NSMutableDictionary *buttonAttr = [_currentButtonsStringAttributes[i] mutableCopy]; 113 | 114 | if(pStyle) 115 | buttonAttr[NSParagraphStyleAttributeName] = pStyle; 116 | if(!buttonAttr[NSFontAttributeName] && _currentStringAttributes[NSFontAttributeName]) 117 | buttonAttr[NSFontAttributeName] = _currentStringAttributes[NSFontAttributeName]; 118 | if(!buttonAttr[NSForegroundColorAttributeName] && _currentStringAttributes[NSForegroundColorAttributeName]) 119 | buttonAttr[NSForegroundColorAttributeName] = _currentStringAttributes[NSForegroundColorAttributeName]; 120 | 121 | buttonsAttr[i] = [buttonAttr copy]; 122 | } 123 | 124 | _currentButtonsStringAttributes = [buttonsAttr copy]; 125 | } 126 | 127 | - (void)formatCurrentString { 128 | _buttonsStrings = [NSMutableArray new]; 129 | 130 | NSMutableAttributedString *attrFullString = [[NSMutableAttributedString alloc] initWithString:_currentString]; 131 | NSDictionary *attributes = _currentStringAttributes; 132 | [attrFullString setAttributes:attributes range:NSMakeRange(0, _currentString.length)]; 133 | _fullString = attrFullString; 134 | 135 | for (NSDictionary *buttonInfo in _currentButtonsStringAttributes) { 136 | NSString *buttonText = buttonInfo[LTTextStringParameterKey]; 137 | NSRange range = [_currentString rangeOfString:buttonText]; 138 | 139 | if (range.location != NSNotFound) { 140 | LTButtonString *btnStr = [LTButtonString new]; 141 | btnStr.text = buttonText; 142 | btnStr.range = range; 143 | [_buttonsStrings addObject:btnStr]; 144 | 145 | [attrFullString setAttributes:buttonInfo range:range]; 146 | } 147 | } 148 | } 149 | 150 | - (BOOL)updateFormattingWithButtonsStrings:(NSArray*)newButtonsStrings { 151 | if(!newButtonsStrings.count) 152 | return NO; 153 | 154 | BOOL retFlag = NO; 155 | LTButtonString *buttonString = newButtonsStrings.firstObject; 156 | 157 | NSMutableString *mutableString = [[NSMutableString alloc] initWithString:_currentString]; 158 | CGPathRef path = CGPathCreateWithRect(self.bounds, NULL); 159 | CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString((CFAttributedStringRef)_fullString); 160 | CTFrameRef frame = CTFramesetterCreateFrame(framesetter, 161 | CFRangeMake(0, [_fullString length]), path, NULL); 162 | 163 | CFArrayRef lines = CTFrameGetLines(frame); 164 | NSArray *linesArr = (__bridge NSArray*)lines; 165 | 166 | for (id line in linesArr) { 167 | CFRange range = CTLineGetStringRange((CTLineRef)line); 168 | if((buttonString.range.location >= range.location && buttonString.range.location <= (range.location + range.length)) && 169 | ((buttonString.range.location+buttonString.range.length) > (range.location + range.length))) 170 | { 171 | [mutableString insertString:@"\r" atIndex:buttonString.range.location]; 172 | retFlag = YES; 173 | break; 174 | } 175 | } 176 | 177 | CFRelease(frame); 178 | CFRelease(path); 179 | CFRelease(framesetter); 180 | 181 | _currentString = mutableString; 182 | [self formatCurrentString]; 183 | 184 | NSMutableArray *newArr = [newButtonsStrings mutableCopy]; 185 | [newArr removeObjectAtIndex:0]; 186 | BOOL flag = [self updateFormattingWithButtonsStrings:newArr]; 187 | return flag || retFlag; 188 | } 189 | 190 | - (CGFloat)getWidthForButtonAttributes:(NSDictionary*)buttonInfo { 191 | NSString *buttonText = buttonInfo[LTTextStringParameterKey]; 192 | NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:buttonText]; 193 | [attrString setAttributes:buttonInfo range:NSMakeRange(0, buttonText.length)]; 194 | 195 | CGFloat fontSize = [UIFont systemFontOfSize:[UIFont labelFontSize]].pointSize - 4.0; 196 | UIFont *buttonFont = buttonInfo[NSFontAttributeName]; 197 | if(buttonFont) 198 | fontSize = buttonFont.pointSize; 199 | 200 | CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString((CFAttributedStringRef)attrString); 201 | CGPathRef path = CGPathCreateWithRect(CGRectMake(0.0, 0.0, CGRectGetWidth(self.bounds), fontSize+5), NULL); 202 | CTFrameRef frame = CTFramesetterCreateFrame(framesetter, 203 | CFRangeMake(0, [buttonText length]), path, NULL); 204 | 205 | CFArrayRef lines = CTFrameGetLines(frame); 206 | NSArray *linesArr = (__bridge NSArray*)lines; 207 | CGFloat width = CTLineGetTypographicBounds((CTLineRef)linesArr.firstObject, NULL, NULL, NULL); 208 | 209 | CFRelease(frame); 210 | CFRelease(path); 211 | CFRelease(framesetter); 212 | 213 | return width; 214 | } 215 | 216 | - (BOOL)isNewSize:(CGSize)newSize { 217 | if(newSize.width != _oldSize.width) 218 | return YES; 219 | if(newSize.height != _oldSize.height) 220 | return YES; 221 | 222 | return NO; 223 | } 224 | 225 | - (void)drawRect:(CGRect)rect { 226 | [super drawRect:rect]; 227 | if ([self isNewSize:rect.size] && _currentString) { 228 | _oldSize = rect.size; 229 | 230 | [self formatCurrentString]; 231 | [self updateFormattingWithButtonsStrings:_buttonsStrings]; 232 | 233 | CGContextRef context = UIGraphicsGetCurrentContext(); 234 | 235 | CGContextSetTextMatrix(context, CGAffineTransformIdentity); 236 | CGContextTranslateCTM(context, 0, self.bounds.size.height); 237 | CGContextScaleCTM(context, 1.0, -1.0); 238 | 239 | CGPathRef path = CGPathCreateWithRect(self.bounds, NULL); 240 | CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString((CFAttributedStringRef)_fullString); 241 | if(framesetter) { 242 | CTFrameRef frame = CTFramesetterCreateFrame(framesetter, 243 | CFRangeMake(0, [_fullString length]), path, NULL); 244 | CTFrameDraw(frame, context); 245 | 246 | CFArrayRef lines = CTFrameGetLines(frame); 247 | NSArray *linesArr = (__bridge NSArray*)lines; 248 | CGPoint origins[linesArr.count]; 249 | 250 | CTFrameGetLineOrigins(frame, CFRangeMake(0, 0), origins); 251 | for (int n = 0; n < _buttonsStrings.count; n++) { 252 | LTButtonString *buttonString = _buttonsStrings[n]; 253 | [buttonString.frames removeAllObjects]; 254 | NSDictionary *buttonInfo = _currentButtonsStringAttributes[n]; 255 | for (int i = 0; i < linesArr.count; i++) { 256 | CTLineRef line = (__bridge CTLineRef)linesArr[i]; 257 | CFRange range = CTLineGetStringRange(line); 258 | if(buttonString.range.location >= range.location && buttonString.range.location < (range.location + range.length)) { 259 | CGFloat fontSize = [UIFont systemFontOfSize:[UIFont labelFontSize]].pointSize - 4.0; 260 | UIFont *buttonFont = buttonInfo[NSFontAttributeName]; 261 | if(buttonFont) 262 | fontSize = buttonFont.pointSize; 263 | 264 | CGFloat startFloat = CTLineGetOffsetForStringIndex(line, buttonString.range.location, NULL); 265 | CGRect buttonFrame = CGRectMake(startFloat + origins[i].x, (CGRectGetHeight(self.bounds) - fontSize - origins[i].y + 2.0), [self getWidthForButtonAttributes:buttonInfo], fontSize); 266 | NSValue *frameValue = [NSValue valueWithCGRect:buttonFrame]; 267 | [buttonString.frames addObject:frameValue]; 268 | } 269 | } 270 | } 271 | 272 | CFRelease(frame); 273 | CFRelease(path); 274 | CFRelease(framesetter); 275 | } 276 | } 277 | } 278 | 279 | @end 280 | 281 | @implementation LTButtonString 282 | 283 | - (instancetype)init { 284 | self = [super init]; 285 | if(self) { 286 | _frames = [NSMutableArray new]; 287 | } 288 | 289 | return self; 290 | } 291 | 292 | @end 293 | -------------------------------------------------------------------------------- /LTTextViewApp/LTTextViewApp.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 1A14503B1B18AFAF00115443 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 1A14503A1B18AFAF00115443 /* main.m */; }; 11 | 1A14503E1B18AFAF00115443 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 1A14503D1B18AFAF00115443 /* AppDelegate.m */; }; 12 | 1A1450411B18AFAF00115443 /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 1A1450401B18AFAF00115443 /* ViewController.m */; }; 13 | 1A1450441B18AFAF00115443 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 1A1450421B18AFAF00115443 /* Main.storyboard */; 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